A095117 - cp's OEIS frontend

A095117 a(n) = pi(n) + n, where pi(n) = A000720(n) is the number of primes <= n.

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	9
7	11
8	12
9	13
10	14
11	16
12	17
13	19
14	20
15	21
16	22
17	24
18	25
19	27
20	28
21	29
22	30
23	32
24	33
25	34
26	35
27	36
28	37
29	39
30	40
31	42
32	43
33	44
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	57
44	58
45	59
46	60
47	62
48	63
49	64
50	65
51	66
52	67
53	69
54	70
55	71
56	72
57	73
58	74
59	76
60	77
61	79
62	80
63	81
64	82
65	83
66	84
67	86
68	87
69	88
70	89
71	91

[0, 1, 3, 5, 6, 8, 9, 11, 12, 13, 14, 16, 17, 19, 20, 21, 22, 24, 25, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 39, 40, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 54, 55, 57, 58, 59, 60, 62, 63, 64, 65, 66, 67, 69, 70, 71, 72, 73, 74, 76, 77, 79, 80, 81, 82, 83, 84, 86, 87, 88, 89, 91]

cp's OEIS Frontend

A095117 a(n) = pi(n) + n, where pi(n) = A000720(n) is the number of primes <= n.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	9
7	11
8	12
9	13
10	14
11	16
12	17
13	19
14	20
15	21
16	22
17	24
18	25
19	27
20	28
21	29
22	30
23	32
24	33
25	34
26	35
27	36
28	37
29	39
30	40
31	42
32	43
33	44
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	57
44	58
45	59
46	60
47	62
48	63
49	64
50	65
51	66
52	67
53	69
54	70
55	71
56	72
57	73
58	74
59	76
60	77
61	79
62	80
63	81
64	82
65	83
66	84
67	86
68	87
69	88
70	89
71	91

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	9
7	11
8	12
9	13
10	14
11	16
12	17
13	19
14	20
15	21
16	22
17	24
18	25
19	27
20	28
21	29
22	30
23	32
24	33
25	34
26	35
27	36
28	37
29	39
30	40
31	42
32	43
33	44
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	57
44	58
45	59
46	60
47	62
48	63
49	64
50	65
51	66
52	67
53	69
54	70
55	71
56	72
57	73
58	74
59	76
60	77
61	79
62	80
63	81
64	82
65	83
66	84
67	86
68	87
69	88
70	89
71	91

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	9
7	11
8	12
9	13
10	14
11	16
12	17
13	19
14	20
15	21
16	22
17	24
18	25
19	27
20	28
21	29
22	30
23	32
24	33
25	34
26	35
27	36
28	37
29	39
30	40
31	42
32	43
33	44
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	57
44	58
45	59
46	60
47	62
48	63
49	64
50	65
51	66
52	67
53	69
54	70
55	71
56	72
57	73
58	74
59	76
60	77
61	79
62	80
63	81
64	82
65	83
66	84
67	86
68	87
69	88
70	89
71	91